B33113313132313113313223313331323133311211312111112111133133313331323331123211
>>
B3311331313231311331322331333132313331121131211111211113313331333132333112321
<<
B33113313132313113313223313331323133311211312111112111133133313331323331123213
>>
B33113313132313113313223313331323133311211312111112111133133313331323331123212
>>